{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["adverse effect"], "input": "The frequency and relationship of granulocytopenia caused by sustained - release procainamide in patients with tachyarrhythmias are briefly discussed , and prior reported cases are reviewed ."}
{"adverse effect": [{"subject": "granulocytopenia", "object": "procainamide"}]}